... can offer U shape energy saving lamps, including 2U, 3U 4U and 6U Lamps, half spiral / full spiral Energy Saving lamps ... energy saving bulbs, high wattage compact fluorescent lamps. Product Description:4u energy saving lamp 36W, 45W, 55, 65W, 75W, 85W, Base ... cycles Easy to install by Edison Socket or bayonet socket (B22) Low temperature and low voltage start Extremely high illumination efficiency ...